<template>
  <div
    :class="animate"
    :style="{ height: height, width: width }"
    :id="chartOption.bindingDiv"
    ref="chartDiv"
  />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "@/views/dashboard/mixins/resize";

import "../../animate/animate.css";

import { parseQueryString, fIsUrL } from "../../util/urlUtil";
import { linkChart } from "../../util/LinkageChart";
import { chartApiBar, remoteChartApi,chartBIanalysis  } from "@/api/tool/datav/chartApi";
import VueEvent from "@/views/tool/datav/VueEvent";
import { addOption } from "../../codegen/codegen";
import { barPieBIanalysis } from "@/api/tool/datav/chartBI/chartBarPieBI";
import { getFormsource } from "@/api/tool/datav/formsource";
import { dealWithData,testData } from "../../util/utilFun.js";
const animationDuration = 6000;
import { websocketCommand } from "../../util/websocket.js";

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "100%"
    },
    chartOption: {
      type: Object
    },
    drawingList: {
      type: Array
    }
  },
  data() {
    return {
      chart: null,
      //dataOption: this.chartOption,
      timer: "",
      wsObj: null,
      wsFlag: false,
      wsTimer: "",
      wsValue: null,
      animate: this.className
    };
  },
  watch: {
    width() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    height() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    chartOption: {
      deep: true,
      handler(newVal) {
        this.$nextTick(() => {
          this.setOptions(JSON.parse(JSON.stringify(newVal)));
        });
      }
    },
    "chartOption.theme": {
      handler() {
        if (this.chart != null) {
          this.chart.dispose();
          this.chart = null;
          this.initChart();
        }
      }
    },
    "chartOption.timeout": {
      handler() {
        this.chart.dispose();
        this.chart = null;
        this.initChart();
      }
    },
    "chartOption.dataSourceType": {
      handler(value) {
        //切换数据源重新连接
        if (value !== "websocket") {
          this.wsFlag = false;
          //每次切换数据源恢复原来动画
          this.animate = this.className;
        }
        if (value !== "url") {
          clearTimeout(this.timer);
        } 
      }
    },
    "chartOption.interfaceKey": {
      handler(newValue, oldValue) {
        //初始化不创建连接，改变接口地址重新创建
        if (oldValue !== undefined && oldValue != "") {
          this.wsValue = null;
          this.closeWs();
          this.createWs();
          this.animate = this.className;
        }
      }
    },
    wsFlag: {
      handler(value) {
        if (!value) {
          this.wsValue = null;
          this.closeWs();
        }
      }
    },
    className: {
      handler(value) {
        this.animate = value;
      }
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart();
    });
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
    clearTimeout(this.timer);
    if (this.wsFlag) {
      this.closeWs();
    }
  },
  methods: {
    initChart() {
      echarts.registerTheme("customTheme", this.chartOption.theme);
      this.chart = echarts.init(this.$el, "customTheme");
      
      //判断是否开启定时器，当是访问url接口时候并且timeout不为0时候开启定时器
      if (this.timer != "") {
        clearTimeout(this.timer);
      }
      if (
        (this.chartOption.dataSourceType == 'url' || this.chartOption.dataSourceType == 'database') &&
        this.chartOption.timeout > 0
      ) {
        let timerTask = () => {
          this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
          this.timer = setTimeout(() => {
            timerTask();
          }, this.chartOption.timeout);
        };

        timerTask();
      }else{
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    setOptions: async function(dataOption) {
      //初始化数据
      //如果不是静态数据就调用接口给staticDataValue赋值
      if (dataOption.dataSourceType == "url") {
        let paramJson = parseQueryString(dataOption.requestParameters);

        let interfaceURL = dataOption.interfaceURL;
        dataOption.staticDataValue = await chartApiBar(
          dataOption.requestMethod,
          interfaceURL,
          paramJson,
          dataOption.token
        );
      } else if (dataOption.dataSourceType == "database") {
        if (
          dataOption.database.executeSql != undefined &&
          dataOption.database.executeSql != ""
        ) {
          let result = [];
          if(dataOption.database.sqlType != 'custom'){
          
            result = await barPieBIanalysis(dataOption.database);
          }else{
            result = await chartBIanalysis(dataOption.database);
          }
          if (result.code == 200) {
            dataOption.staticDataValue = result.data;
            //console.log(dataOption.staticDataValue);
          } else {
            alert("操作数据库错误");
          }
        }
      } else if (dataOption.dataSourceType == "form") {
        if (dataOption.formSource != undefined) {
          let response = await getFormsource(dataOption.formSource.id);
          dataOption.staticDataValue = JSON.parse(response.data.formData);
        }
      } else if (dataOption.dataSourceType == "websocket") {
        if (
          dataOption.interfaceKey != undefined &&
          dataOption.interfaceKey != ""
        ) {
          if (!this.wsFlag) {
            this.wsFlag = true;
            this.wsValue = null;
            this.createWs();
          }
          if (this.wsValue != null) {
            dataOption.staticDataValue = this.wsValue;
          }
        }
      }
      //数据格式转化
      if(dataOption.newDataFormat == true && !(dataOption.dataSourceType == 'database' && dataOption.bi != null)){
        let sortData = dealWithData(dataOption.staticDataValue,"name");
        let staticValue = {};
        let axisDataTest = [];
        let valueTest = [];
        let totalTest = [];
        sortData.forEach(element => {
          axisDataTest.push(element.type);
          valueTest.push(element.data[0].value);
          totalTest.push(element.data[0].total);
        });
        staticValue.axisData = axisDataTest;
        staticValue.data = {"value":valueTest,"total":totalTest}
        dataOption.staticDataValue = staticValue;
      }


      let xLabel = dataOption.staticDataValue.axisData;
      let totalData = dataOption.staticDataValue.data.total;
      dataOption.xAxis.data = xLabel;

      let maxData = [];
      totalData.forEach(element => {
        maxData.push(dataOption.max);
      });

      let option = {
        title: dataOption.title,
        animation: false,
        grid: {
          bottom: "35%" //也可设置left和right设置距离来控制图表的大小
        },
        xAxis: dataOption.xAxis,
        yAxis: dataOption.yAxis,

        series: [
          {
            // 值
            name: "已完成",
            type: "bar",
            barWidth: dataOption.totalBar.barWidth,
            itemStyle: {
              normal: {
                color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                  {
                    offset: 0,
                    color: dataOption.totalBar.completedColor[0]
                  },
                  {
                    offset: 1,
                    color: dataOption.totalBar.completedColor[1]
                  }
                ])
              }
            },
            data: dataOption.staticDataValue.data.value,
            z: 10,
            zlevel: 2,
            label: {
              show: dataOption.label.show,
              position: "bottom",
              distance: dataOption.label.distance,
              zlevel: 4,
              z: 10,
              formatter: function(params) {
                const value = (
                  (params.value * 100) /
                  totalData[params.dataIndex]
                ).toFixed(0);
                return "{b|已完成   " + value + "%}";
              },
              rich: {
                b: {
                  fontFamily: dataOption.label.fontFamily,
                  fontSize: dataOption.label.fontSize,
                  color: dataOption.label.color,
                  fontWeight: dataOption.label.fontWeight,
                  backgroundColor: {
                    image: dataOption.label.backgroundImg
                  },
                  padding: dataOption.label.padding,
                  height: dataOption.label.imageHeight,
                  width: dataOption.label.imageWidth
                }
              }
            }
          },
          {
            // 值分隔
            type: "pictorialBar",
            itemStyle: {
              normal: {
                color: dataOption.splitBar.color
              }
            },
            symbolRepeat: "fixed",
            symbolMargin: dataOption.splitBar.symbolMargin,
            symbol: "rect",
            symbolClip: true,
            symbolSize: [dataOption.splitBar.width, dataOption.splitBar.height],
            symbolPosition: "start",
            symbolOffset: [0, -1],
            // symbolBoundingData: this.total,
            data: dataOption.staticDataValue.data.value,

            z: 0,
            zlevel: 3
          },
          {
            // 总计值
            name: "总量",
            type: "bar",
            barWidth: dataOption.totalBar.barWidth,
            itemStyle: {
              normal: {
                color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                  {
                    offset: 0,
                    color: dataOption.totalBar.color[0]
                  },
                  {
                    offset: 1,
                    color: dataOption.totalBar.color[1]
                  }
                ])
              }
            },
            data: dataOption.staticDataValue.data.total,
            z: 10,
            zlevel: 0,
            label: {
              show: false
            }
          },
          {
            // 总计值分隔
            type: "pictorialBar",
            itemStyle: {
              normal: {
                color: dataOption.splitBar.color
              }
            },
            symbolRepeat: "fixed",
            symbolMargin: dataOption.splitBar.symbolMargin,
            symbol: "rect",
            symbolClip: true,
            symbolSize: [dataOption.splitBar.width, dataOption.splitBar.height],
            symbolPosition: "start",
            symbolOffset: [0, -1],
            // symbolBoundingData: this.total,
            data: dataOption.staticDataValue.data.total,
            z: 0,
            zlevel: 0
          },
          {
            //辅助背景图形
            name: "背景条",
            type: "bar", //pictorialBar
            barWidth: dataOption.totalBar.barWidth,
            barGap: "-100%",
            itemStyle: {
              normal: {
                borderWidth: 0,
                color: dataOption.totalBar.backgroundColor
              },
              barBorderRadius: 10
            },
            data: maxData,
            z: 0,
            zlevel: 0
          },
          {
            // 背景分隔
            type: "pictorialBar",
            itemStyle: {
              normal: {
                color: dataOption.splitBar.color
              }
            },
            symbolRepeat: "fixed",
            symbolMargin: dataOption.splitBar.symbolMargin,
            symbol: "rect",
            symbolClip: true,
            symbolSize: [dataOption.splitBar.width, dataOption.splitBar.height],
            symbolPosition: "start",
            symbolOffset: [0, -1],
            // symbolBoundingData: this.total,
            data: maxData,
            z: 0,
            zlevel: 1
          }
        ]
      };

      //执行通用处理函数
      if(dataOption.customData != undefined && dataOption.customData != ""){
        try {
          option = (
          
            //里面为要处理的代码块
          eval(dataOption.customData) 
          
          )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
          );
        } catch (error) {
          console.log(error)
        }
       } 
        //交互组件配置
      if(dataOption.interactData != undefined && dataOption.interactData != ""){
          try {
              option = (        
              //里面为要处理的代码块
              eval(dataOption.interactData)             
            )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
            );
          } catch (error) {
            console.log(error)
          }               
       }
      this.chart.setOption(option, true);

      addOption(dataOption.bindingDiv, option);

      //开启图表联动
      if (dataOption.isLink == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          //设置参数
          let arrObject = {
            legendName: params.name,
            data: params.value
          };

          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let bindList = dataOption.bindList;

          if (bindList.length > 0) {
            linkChart(dataOption.arrName, arrs, bindList, this.drawingList);
          }
        });
      }
      //开启图表下钻
      else if (dataOption.isDrillDown == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          //设置参数
          let arrObject = {
            legendName: params.name,
            data: params.value
          };

          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let drillDownChartOption = this.chartOption.drillDownChartOption;

          if (
            drillDownChartOption != undefined &&
            drillDownChartOption != null
          ) {
            this.$set(
              this.chartOption.drillDownChartOption.chartOption,
              "requestParameters",
              "drillParam=" + arrs
            );
            //发送下钻消息
            VueEvent.$emit(
              "drill_down_msg",
              this.chartOption.drillDownChartOption
            );
          }
        });
      } else {
        //关闭图表联动，取消echart点击事件
        this.chart.off("click");
      }
      //开启远程图表控制
      if (dataOption.isRemote == true) {
        if (dataOption.remote != undefined && dataOption.remote != null) {
          this.chart.off("click");
          this.chart.on("click", params => {
            //设置参数
            let arrObject = {
              legendName: params.name,
              data: params.value
            };

            let remoteData = { ...dataOption.remote };
            remoteData.query = arrObject;
            //调用接口
            remoteChartApi(remoteData);
          });
        }
      }
    },
    //  ws连接成功，后台返回的ws数据
    receiveMsg(e) {
      if (e.action == "chat") {
        // console.log('服务端推送',e);
        this.wsValue = JSON.parse(e.result);
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    // 建立连接、发起ws请求，以心跳方式，向服务端发送数据
    createWs() {
      this.wsObj = new WebSocket(process.env.VUE_APP_WEBSOCKET);
      // 若为对象类型，以回调方式发送
      websocketCommand(
        this.wsObj,
        "create",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
    },
    // 断网重连，需要处理的逻辑
    reconnectWs() {
      if (this.wsObj) {
        console.log("%c websocket_reconnect", "color:blue");
        this.createWs();
      }
    },
    // 以回调方式向服务端发送(对象类型的)心跳
    sendHeartBeat() {
      if (this.wsTimer != "") {
        clearTimeout(this.wsTimer);
      }

      let wsTimerTask = () => {
        console.log("发送心跳", "ping");
        let obj = { action: "keep", key: this.chartOption.interfaceKey };
        this.wsObj.send(JSON.stringify(obj));
        this.wsTimer = setTimeout(() => {
          wsTimerTask();
        }, parseInt(process.env.VUE_APP_WEBSOCKET_TIMEOUT));
        this.wsWarning();
      };
      wsTimerTask();
    },
    wsWarning() {
      //如果断开连接则显示组件警告动画并清除计数器
      if (this.wsObj.readyState == 3) {
        this.animate = "warning";
        clearTimeout(this.wsTimer);
      }
    },
    closeWs() {
      clearTimeout(this.wsTimer);
      websocketCommand(
        this.wsObj,
        "close",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
    }
  }
};
</script>
